Drain snake



FIG. 1 is a perspective view of a drain snake;

FIG. 2 is a top view of a portion of FIG. 1;

FIG. 3 is an end view of FIG. 1;

FIG. 4 is an opposite end view of FIG. 1; and,

FIG. 5 is a side view of a portion of FIG. 1.

The dashed tines are included for illustrating environmental structure and form no part of the claimed design. 

CLAIM We claim the ornamental design for a drain snake, as shown and described. 